Petar Hristoskov (March 8, 1917–June 19, 2006; Sofia, Bulgaria) was a Bulgarian composer and violinist.
In 1936, having studied under Sasha Popov, he graduated from the Bulgarian Academy of Sciences and Arts with a degree in violin.
While he was a student there, he played in the Royal Symphony Orchestra.
From 1940 to 1943, he studied under Gerald Malke and Gustav Havemann at the Berlin Academy of Arts.
After returning to Bulgaria in 1943, he played with the Sofia Philharmonic Orchestra from 1952 to 1954, alongside his wife, the pianist, Zlatka Arnaudova.
He formed a trio with Dimitar Nenov and Konstantin Popov, a pianist and a cellist, respectively.
Since 1950, he has been a professor at the State Academy of Music.